US20220192321A1 - Shoe - Google Patents
Shoe Download PDFInfo
- Publication number
- US20220192321A1 US20220192321A1 US17/555,512 US202117555512A US2022192321A1 US 20220192321 A1 US20220192321 A1 US 20220192321A1 US 202117555512 A US202117555512 A US 202117555512A US 2022192321 A1 US2022192321 A1 US 2022192321A1
- Authority
- US
- United States
- Prior art keywords
- shoe
- foot
- correction member
- opening
- wearer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 30
- 210000002683 foot Anatomy 0.000 description 102
- 238000012986 modification Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000037237 body shape Effects 0.000 description 6
- 210000003423 ankle Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 235000009854 Cucurbita moschata Nutrition 0.000 description 2
- 240000001980 Cucurbita pepo Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000004744 fore-foot Anatomy 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 235000020354 squash Nutrition 0.000 description 2
- 229920002614 Polyether block amide Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
- A43B7/18—Joint supports, e.g. instep supports
- A43B7/20—Ankle-joint supports or holders
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/28—Devices to put in shoes in order to prevent slipping at the heel or to prevent abrading the stockings
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/028—Resilient uppers, e.g. shock absorbing
- A43B23/0285—Resilient uppers, e.g. shock absorbing filled with a non-compressible fluid, e.g. gel or water
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/08—Heel stiffeners; Toe stiffeners
- A43B23/088—Heel stiffeners
Definitions
- the invention relates to a shoe.
- the opening of a shoe is for putting a foot of a wearer in and out, it is preferable that the opening is wide when the shoe is put on or taken off. Meanwhile, in order to prevent the foot from being displaced inside the shoe and getting a shoe sore or to prevent the fitting property to the foot of the wearer from being lowered, it is preferable that the opening of the shoe is narrow while the shoe is worn.
- tightening members such as shoelaces or hook-and-loop fasteners
- the opening can be widened by loosening the tightening member, and the ease of being put on and taken off is not impaired even if the fitting property to a foot of a wearer is enhanced.
- U.S. Pat. No. 5,755,044 discloses a shoe in which the ends of a shoelace are fixed to the rear side of the shoe in order to narrow the opening while the shoe is worn.
- a shoe according to an aspect of the invention includes a sole provided with a ground contact surface, an upper provided with an opening into which a foot of a wearer is inserted, the upper being attached to the sole and covering the foot of the wearer, and a correction member including an inner arm fixed to a medial foot side of the opening of the upper, an outer arm fixed to a lateral foot side of the opening of the upper, and a connection portion connecting the inner arm and the outer arm, the correction member being attached to the upper away from the sole in such a manner that the connection portion is disposed on a rear side of the opening.
- FIG. 1 is a side view of a shoe according to a first embodiment of the invention.
- FIG. 2 is a perspective view of a correction member of the shoe according to the first embodiment.
- FIG. 3 is a diagram illustrating a change in the position of a foot in a vertical direction in a stance phase of a wearer of the shoe according to the first embodiment.
- FIG. 4 is a diagram illustrating a maximum amount of the change in the position of the foot in the stance phase of the wearer of the shoe according to the first embodiment.
- FIG. 5 is a diagram illustrating a first modification of the correction member of the shoe according to the first embodiment.
- FIG. 6 is a diagram illustrating a second modification of the correction member of the shoe according to the first embodiment.
- FIG. 7 is a side view of a shoe according to a second embodiment of the invention.
- FIG. 8 is a top view of the shoe according to the second embodiment.
- FIG. 9 is a cross-sectional view of an opening of the shoe according to the second embodiment.
- FIG. 10 is a side view of a shoe according to a third embodiment of the invention.
- FIG. 11 is a side view of a shoe according to a fourth embodiment of the invention.
- FIG. 12 is a side view of a shoe according to a fifth embodiment of the invention.
- a direction in which a heel center axis, which is a perpendicular line passing through the heel center of a sole in a plan view of a shoe, extends is referred to as a front-rear direction
- a direction orthogonal to the front-rear direction in a plan view of the shoe is referred to as a foot width direction.
- a direction directed from the end on the side where a portion of the sole supporting the rearfoot of a foot is positioned toward the end on the side where a portion of the sole supporting the forefoot of the foot is positioned is referred to as a front side
- a direction directed from the end on the side where the portion of the sole supporting the forefoot of the foot is positioned toward the end on the side where the portion of the sole supporting the rearfoot of the foot is positioned is referred to as a rear side.
- a median side of a foot in the anatomical position is referred to as a medial foot side
- the side opposite to the median side of the foot in the anatomical position is referred to as a lateral foot side. That is, the side closer to the median line in the anatomical position is referred to as the medial foot side, and the side farther from the median line in the anatomical position is referred to as the lateral foot side.
- a height direction means a direction orthogonal to both the front-rear direction and the foot width direction unless otherwise specified.
- FIG. 1 is a side view of a shoe according to a first embodiment of the invention.
- a shoe 1 A includes an upper 10 and a sole 20 A.
- the upper 10 has a shape covering the entire part on the instep side of an inserted foot.
- the sole 20 A is positioned below the upper 10 and covers the sole of the foot.
- the upper 10 includes an upper body 11 and a shoe tongue 12 .
- the shoe tongue 12 is fixed to the upper body 11 .
- a shoelace 16 is detachably attached to the upper body 11 .
- the upper body 11 is provided with an upper opening 11 A for exposing an upper part of the ankle and a part of the instep of the foot.
- the upper opening 11 A of the upper body 11 has a peripheral edge provided with which a plurality of holes 13 is provided.
- the shoe tongue 12 is fixed to the upper body 11 by sewing, welding, bonding, or a combination thereof in such a manner as to cover a portion of the upper opening 11 A provided in the upper body 11 for exposing a part of the instep of the foot.
- woven fabric, knitted fabric, synthetic leather, or resin is used as the upper body 11 and the shoe tongue 12 . Note that the material of the upper body 11 and the shoe tongue 12 is not limited to those exemplified.
- the shoelace 16 is a string-like member and is inserted through the plurality of holes 13 of the upper body 11 .
- the shoelace 16 inserted through the plurality of holes 13 pulls portions of the upper opening 11 A of the upper body 11 corresponding to the instep of the foot toward each other in the foot width direction.
- By tightening the shoelace 16 while the foot is inserted in the upper body 11 it is possible to bring the upper body 11 into close contact with the foot.
- a hook-and-loop fastener may be used instead of the shoelace 16 to bring the upper body 11 into close contact with the foot. If a hook-and-loop fastener is used to bring the upper body 11 into close contact with the foot, the plurality of holes 13 is not formed in the upper body 11 .
- the opening 11 B is positioned at a part corresponding to 56.1% to 100% of the foot length from the tip on the instep side of the foot of a wearer having a standard body shape.
- the upper body 11 is provided with a correction member 30 surrounding the opening 11 B.
- the correction member 30 is attached to the outside of the upper body 11 .
- FIG. 2 is a perspective view of the correction member of the shoe according to the first embodiment.
- the correction member 30 includes an inner arm 31 fixed to the medial foot side of the opening 11 B of the upper body 11 , an outer arm 32 fixed to the lateral foot side of the opening 11 B of the upper body 11 , and a connection portion 33 connecting the inner arm 31 and the outer arm 32 .
- the correction member 30 has a shape along the heel of the foot of a wearer having a standard body shape.
- the correction member 30 when the shoe 1 A is for men, the correction member 30 has a shape along the heel of the foot of a man having a standard body shape, and when the shoe 1 A is for women, the correction member 30 has a shape along the heel of a woman having a standard body shape.
- the correction member 30 is attached to the upper body 11 from the rear in such a manner that the connection portion 33 is disposed on the rear side of the opening 11 B.
- the correction member 30 is attached to the upper body 11 away from the sole 20 A.
- the correction member 30 is attached to the upper body 11 at a distance of 5 mm or more from the sole 20 A in the height direction.
- the correction member 30 is made of an elastic material.
- Examples of the material of the correction member 30 include hard resin, such as a polyether block amide copolymer, and metal, such as titanium.
- the material of the correction member 30 is not limited to those exemplified.
- the outer arm 32 of the correction member 30 attached to the upper body 11 extends below a portion of the upper body 11 corresponding to the lateral malleolus of the wearer.
- the inner arm 31 of the correction member 30 attached to the upper body 11 passes below a portion of the upper body 11 corresponding to the medial malleolus of the wearer and extends further forward and upward.
- the medial malleolus is located 10 mm anterior and 14 mm superior to the lateral malleolus.
- the medial malleolus is located 8 mm anterior and 12 mm superior to the lateral malleolus.
- the end of the inner arm 31 may be at a forward and upward position of 3 mm or more with respect to the end of the outer arm 32 .
- the correction member 30 attached to the upper body 11 corrects the dimension of the opening 11 B in the foot width direction to be equal to or smaller than the foot width dimension when the correction member 30 is not attached. That is, the opening width of the opening 11 B in the foot width direction may be narrowed by the correction member 30 as compared with the case where the correction member 30 is not attached. In addition, the opening width of the opening 11 B in the foot width direction may be the same by the correction member 30 as the width when the correction member 30 is not attached.
- cushion materials 40 are installed at a portion of the inner arm 31 disposed below the medial malleolus of the wearer at least facing the outer arm 32 and at a portion of the end of the outer arm 32 at least facing the inner arm 31 .
- the material of the cushion materials 40 include an expanded foam material and soft resin.
- the material of the cushion materials 40 is not limited to those exemplified.
- the cushion materials 40 disperse a force that the inner arm 31 and the outer arm 32 squash the opening 11 B in the foot width direction, and transmit the dispersed force to the foot of the wearer. That is, the area where the force generated by the inner arm 31 and the outer arm 32 is applied to the foot of the wearer is spread by installing the cushion materials 40 , and the pressure applied to the foot of the wearer is reduced.
- the correction member 30 prevents the opening 11 B from widening in the foot width direction when the foot of the wearer plantarflexes.
- a gap between the opening 11 B and the foot of the wearer in the foot width direction is hardly generated when the foot of the wearer plantarflexes.
- FIG. 3 is a diagram illustrating a change in the position of a foot in a vertical direction in a stance phase of a wearer of the shoe according to the first embodiment.
- the horizontal axis in FIG. 3 represents the degree of progression in the stance phase: the time at which the heel is on the ground is 0%, and the time at which the toe of the foot kicking backward is off the ground is 100%.
- the vertical axis in FIG. 3 represents the amount of the change using the position of the foot and the shoe 1 A when the wearer stands and remains stationary as a reference: a state in which the foot of the wearer sinks into the shoe 1 A is negative, and a state in which the foot of the wearer rises from the shoe 1 A is positive.
- FIG. 4 is a diagram illustrating a maximum amount of the change in the position of the foot in the stance phase of the wearer of the shoe according to the first embodiment.
- FIG. 4 also illustrates, for comparison, a maximum amount of a change in the position of the foot in the stance phase of the wearer when a shoe not including the correction member 30 is worn.
- the maximum value of the amount of the change in the position of the foot of the wearer is plus 1.05 mm
- the maximum value of the amount of the change in the position of the foot of the wearer is plus 0.65 mm.
- the maximum value of the amount of the change in the position of the foot of the wearer is minus 0.18 mm.
- the maximum value of the amount of the change in the position of the foot of the wearer being a negative value means that the magnitude of the sinking of the foot of the wearer into the shoe 1 A after the heel is on the ground is larger than the magnitude of the rising of the foot from the shoe 1 A during the plantarflexion.
- the shoe 1 A according to the first embodiment reduces the amount of the change in the position of the foot of the wearer and has a high fitting property to the foot of the wearer.
- the correction member 30 Since the correction member 30 is installed at a distance from the sole 20 A in the height direction, the pronation of the foot of the wearer is not hindered at the time of the heel on the ground. Thus, the wearer is less likely to feel uncomfortable at the time of the heel on the ground during running.
- the positioning of the correction member 30 is easy. That is, the correction member 30 of the shoe 1 A according to the first embodiment is easily attached to an appropriate position.
- the correction member 30 is disposed on the outer side of the upper body 11 , it is possible to be easily visually checked whether the correction member 30 is installed. Thus, it is easy to prevent the occurrence of a defect such as forgetting to attach the correction member 30 when the shoe 1 A is manufactured.
- the correction member 30 is visible, its appearance is differentiated from a shoe not including the correction member 30 , and it is thus possible for a person who intends to purchase the shoe 1 A including the correction member 30 to easily select the shoe 1 A from a plurality of shoes.
- FIG. 5 is a diagram illustrating a first modification of the correction member of the shoe according to the first embodiment.
- a correction member 30 A according to the first modification is attached to the upper body 11 instead of the correction member 30 to constitute the shoe 1 A.
- a hole 31 A through which the shoelace 16 passes is formed at the end of the inner arm 31 .
- the cushion materials 40 are not illustrated in FIG. 5 .
- the correction member 30 A according to the first modification is attached to the upper body 11 in such a manner that the hole 31 A overlaps the rearmost hole 13 of the plurality of holes 13 on the medial foot side.
- the end of the inner arm 31 is biased to the center in the foot width direction by tightening the shoelace 16 .
- the entire inner arm 31 is biased to the center in the foot width direction.
- a force to squash the opening 11 B in the foot width direction is generated by tightening the shoelace 16 .
- FIG. 6 is a diagram illustrating a second modification of the correction member of the shoe according to the first embodiment.
- a correction member 30 B according to the second modification is attached to the upper body 11 instead of the correction member 30 to constitute the shoe 1 A.
- the correction member 30 B according to the second modification has a rod shape over the entire inner arm 31 , the outer arm 32 , and the connection portion 33 .
- the cushion materials 40 each have a tubular shape, and the inner arm 31 and the outer arm 32 penetrate the cushion materials 40 .
- the cushion materials 40 do not easily fall off from the inner arm 31 and the outer arm 32 .
- the shoe 1 A using the correction member 30 B according to the second modification is enhanced in durability as compared with the shoe 1 A using the correction member 30 .
- the shoe 1 A according to the first embodiment has a high effect of preventing the foot from being displaced inside the shoe 1 A and getting a shoe sore and preventing the fitting property to the foot of the wearer from being lowered as compared with a shoe not including the correction member 30 .
- FIG. 7 is a side view of a shoe according to a second embodiment of the invention.
- a shoe 1 B according to the second embodiment is different from the shoe 1 A according to the first embodiment in that a correction member 30 is incorporated in an upper body 11 .
- the description common to the shoe 1 A according to the first embodiment will be omitted.
- FIG. 8 is a top view of the shoe according to the second embodiment.
- FIG. 9 is a cross-sectional view of an opening of the shoe according to the second embodiment.
- the cross section illustrated in FIG. 9 illustrates a cross section of the shoe 1 B taken along the line IX-IX in FIG. 8 .
- the correction member 30 used for the shoe 1 B according to the second embodiment all of an inner arm 31 , an outer arm 32 , and a connection portion 33 are inserted between an outer material 111 and a lining 112 of the upper body 11 .
- the correction member 30 is bonded and fixed to the outer material 111 and the lining 112 .
- Cushion materials 40 are disposed between the inner arm 31 and the lining 112 and between the outer arm 32 and the lining 112 .
- the cushion materials 40 are bonded and fixed to the lining 112 .
- the correction member 30 since the correction member 30 is installed inside the upper body 11 , the correction member 30 does not easily fall off while the shoe 1 B is worn. In addition, since the correction member 30 is bonded to both the outer material 111 and the lining 112 of the upper body 11 , the correction member can be more firmly fixed as compared with the case of being attached to the outside of the upper body 11 . Thus, the shoe 1 B according to the second embodiment has higher durability than that of the shoe 1 A according to the first embodiment. In the shoe 1 B according to the second embodiment, since the correction member 30 is covered with the outer material 111 of the upper body 11 , there are few restrictions on the design of the shoe 1 B. For example, in the shoe 1 B according to the second embodiment, decorative parts can be installed on the surface of the outer material 111 of the portion where the correction member 30 is disposed to enhance the aesthetic appearance.
- FIG. 10 is a side view of a shoe according to a third embodiment of the invention.
- a shoe 1 C according to the third embodiment is different from the shoe 1 A according to the first embodiment in that only a connection portion 33 of a correction member 30 is disposed outside an upper body 11 and that an inner arm 31 and an outer arm 32 are disposed inside the upper body 11 .
- the description common to the shoe 1 A according to the first embodiment will be omitted.
- holes 111 A are formed in an oblique rear-side portion of an outer material 111 of the heel, and the inner arm 31 and the outer arm 32 are inserted into the upper body 11 through the holes 111 A.
- the cross section of the shoe 1 C at the portion where the inner arm 31 and the outer arm 32 are disposed is similar to the cross section of the shoe 1 B according to the second embodiment illustrated in FIG. 9 . That is, the inner arm 31 and the outer arm 32 are disposed between the outer material 111 and a lining 112 .
- connection portion 33 of the correction member 30 is exposed to the outer side of the upper body 11 , it is possible to be easily visually checked whether the correction member 30 is installed. Thus, it is easy to prevent the occurrence of a defect such as forgetting to attach the correction member 30 when the shoe 1 C is manufactured.
- connection portion 33 of the correction member 30 is visible, its appearance is differentiated from a shoe not including the correction member 30 , and it is thus possible for a person who intends to purchase the shoe 1 C including the correction member 30 to easily select the shoe 1 C from a plurality of shoes.
- FIG. 11 is a side view of a shoe according to a fourth embodiment of the invention.
- a shoe 1 D according to the fourth embodiment is different from the shoe 1 C according to the third embodiment in that retaining portions 34 are formed at the ends of an inner arm 31 and an outer arm 32 .
- the description common to the shoe 1 C according to the third embodiment will be omitted.
- FIG. 12 is a side view of a shoe according to a fifth embodiment of the invention.
- a shoe 1 E according to the fifth embodiment is different from the shoe 1 A according to the first embodiment in that the ends of an inner arm 31 and an outer arm 32 are positioned lower than a connection portion 33 .
- the description common to the shoe 1 A according to the first embodiment will be omitted.
- the inner arm 31 and the outer arm 32 are installed at positions separated downward from an opening 11 B.
- the opening width of the opening 11 B in the foot width direction hardly changes as compared with the case where the correction member 30 is not attached.
- the opening width of the opening 11 B in the foot width direction can be too narrow if the correction member 30 is installed close to the opening 11 B.
- the ends of the inner arm 31 and the outer arm 32 are positioned lower than the connection portion 33 , and the inner arm 31 and the outer arm 32 are installed at positions separated downward from the opening 11 B.
- the shoe according to the invention has an effect that a gap between an opening and a foot of a wearer in a foot width direction is hardly generated when the foot of the wearer plantarflexes.
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
- The present application claims priority to and incorporates by reference the entire contents of Japanese Patent Application No. 2020-214318 filed in Japan on Dec. 23, 2020.
- The invention relates to a shoe.
- Since the opening of a shoe is for putting a foot of a wearer in and out, it is preferable that the opening is wide when the shoe is put on or taken off. Meanwhile, in order to prevent the foot from being displaced inside the shoe and getting a shoe sore or to prevent the fitting property to the foot of the wearer from being lowered, it is preferable that the opening of the shoe is narrow while the shoe is worn.
- For this reason, many shoes are provided with tightening members, such as shoelaces or hook-and-loop fasteners, in a portion in front of the opening to prevent the opening from widening while being worn by using the tightening members while being worn and to enhance the fitting property to a foot of a wearer. For a shoe provided with a tightening member, the opening can be widened by loosening the tightening member, and the ease of being put on and taken off is not impaired even if the fitting property to a foot of a wearer is enhanced.
- In recent years, further enhancement in the fitting property of shoe has been required. U.S. Pat. No. 5,755,044 discloses a shoe in which the ends of a shoelace are fixed to the rear side of the shoe in order to narrow the opening while the shoe is worn.
- However, since a tightening force in the front-rear direction is applied to the opening in the shoe disclosed in U.S. Pat. No. 5,755,044, this easily generates a gap between the opening and the foot of the wearer in the foot width direction when the foot of the wearer plantarflexes. If a gap is generated between the opening and the foot of the wearer, the foot is easily displaced inside the shoe.
- A shoe according to an aspect of the invention includes a sole provided with a ground contact surface, an upper provided with an opening into which a foot of a wearer is inserted, the upper being attached to the sole and covering the foot of the wearer, and a correction member including an inner arm fixed to a medial foot side of the opening of the upper, an outer arm fixed to a lateral foot side of the opening of the upper, and a connection portion connecting the inner arm and the outer arm, the correction member being attached to the upper away from the sole in such a manner that the connection portion is disposed on a rear side of the opening.
-
FIG. 1 is a side view of a shoe according to a first embodiment of the invention. -
FIG. 2 is a perspective view of a correction member of the shoe according to the first embodiment. -
FIG. 3 is a diagram illustrating a change in the position of a foot in a vertical direction in a stance phase of a wearer of the shoe according to the first embodiment. -
FIG. 4 is a diagram illustrating a maximum amount of the change in the position of the foot in the stance phase of the wearer of the shoe according to the first embodiment. -
FIG. 5 is a diagram illustrating a first modification of the correction member of the shoe according to the first embodiment. -
FIG. 6 is a diagram illustrating a second modification of the correction member of the shoe according to the first embodiment. -
FIG. 7 is a side view of a shoe according to a second embodiment of the invention. -
FIG. 8 is a top view of the shoe according to the second embodiment. -
FIG. 9 is a cross-sectional view of an opening of the shoe according to the second embodiment. -
FIG. 10 is a side view of a shoe according to a third embodiment of the invention. -
FIG. 11 is a side view of a shoe according to a fourth embodiment of the invention. -
FIG. 12 is a side view of a shoe according to a fifth embodiment of the invention. - Hereinafter, embodiments of a shoe according to the invention will be described in detail with reference to the drawings. Note that the invention is not limited by the embodiments. In the following embodiments, the same or common portions are denoted by the same reference signs, and the description thereof will not be repeated.
- In the following embodiments, a direction in which a heel center axis, which is a perpendicular line passing through the heel center of a sole in a plan view of a shoe, extends is referred to as a front-rear direction, and a direction orthogonal to the front-rear direction in a plan view of the shoe is referred to as a foot width direction.
- In addition, of the front-rear direction, a direction directed from the end on the side where a portion of the sole supporting the rearfoot of a foot is positioned toward the end on the side where a portion of the sole supporting the forefoot of the foot is positioned is referred to as a front side, and of the front-rear direction, a direction directed from the end on the side where the portion of the sole supporting the forefoot of the foot is positioned toward the end on the side where the portion of the sole supporting the rearfoot of the foot is positioned is referred to as a rear side.
- In addition, a median side of a foot in the anatomical position is referred to as a medial foot side, and the side opposite to the median side of the foot in the anatomical position is referred to as a lateral foot side. That is, the side closer to the median line in the anatomical position is referred to as the medial foot side, and the side farther from the median line in the anatomical position is referred to as the lateral foot side.
- Furthermore, a height direction means a direction orthogonal to both the front-rear direction and the foot width direction unless otherwise specified.
-
FIG. 1 is a side view of a shoe according to a first embodiment of the invention. Ashoe 1A includes an upper 10 and a sole 20A. The upper 10 has a shape covering the entire part on the instep side of an inserted foot. The sole 20A is positioned below the upper 10 and covers the sole of the foot. - The upper 10 includes an
upper body 11 and ashoe tongue 12. Theshoe tongue 12 is fixed to theupper body 11. Ashoelace 16 is detachably attached to theupper body 11. - The
upper body 11 is provided with anupper opening 11A for exposing an upper part of the ankle and a part of the instep of the foot. Theupper opening 11A of theupper body 11 has a peripheral edge provided with which a plurality ofholes 13 is provided. Theshoe tongue 12 is fixed to theupper body 11 by sewing, welding, bonding, or a combination thereof in such a manner as to cover a portion of theupper opening 11A provided in theupper body 11 for exposing a part of the instep of the foot. As theupper body 11 and theshoe tongue 12, woven fabric, knitted fabric, synthetic leather, or resin is used. Note that the material of theupper body 11 and theshoe tongue 12 is not limited to those exemplified. - The
shoelace 16 is a string-like member and is inserted through the plurality ofholes 13 of theupper body 11. Theshoelace 16 inserted through the plurality ofholes 13 pulls portions of theupper opening 11A of theupper body 11 corresponding to the instep of the foot toward each other in the foot width direction. By tightening theshoelace 16 while the foot is inserted in theupper body 11, it is possible to bring theupper body 11 into close contact with the foot. - Note that a hook-and-loop fastener may be used instead of the
shoelace 16 to bring theupper body 11 into close contact with the foot. If a hook-and-loop fastener is used to bring theupper body 11 into close contact with the foot, the plurality ofholes 13 is not formed in theupper body 11. - Of the
upper opening 11A of theupper body 11, a portion on the rear side from theshoe tongue 12 is anopening 11B through which the wearer puts in and out the foot when theshoe 1A is put on or taken off. In general, theopening 11B is positioned at a part corresponding to 56.1% to 100% of the foot length from the tip on the instep side of the foot of a wearer having a standard body shape. - The
upper body 11 is provided with acorrection member 30 surrounding theopening 11B. Thecorrection member 30 is attached to the outside of theupper body 11.FIG. 2 is a perspective view of the correction member of the shoe according to the first embodiment. Thecorrection member 30 includes aninner arm 31 fixed to the medial foot side of theopening 11B of theupper body 11, anouter arm 32 fixed to the lateral foot side of theopening 11B of theupper body 11, and aconnection portion 33 connecting theinner arm 31 and theouter arm 32. Thecorrection member 30 has a shape along the heel of the foot of a wearer having a standard body shape. Thus, when theshoe 1A is for men, thecorrection member 30 has a shape along the heel of the foot of a man having a standard body shape, and when theshoe 1A is for women, thecorrection member 30 has a shape along the heel of a woman having a standard body shape. - As illustrated in
FIG. 1 , thecorrection member 30 is attached to theupper body 11 from the rear in such a manner that theconnection portion 33 is disposed on the rear side of theopening 11B. Thecorrection member 30 is attached to theupper body 11 away from the sole 20A. Thecorrection member 30 is attached to theupper body 11 at a distance of 5 mm or more from the sole 20A in the height direction. - The
correction member 30 is made of an elastic material. Examples of the material of thecorrection member 30 include hard resin, such as a polyether block amide copolymer, and metal, such as titanium. However, the material of thecorrection member 30 is not limited to those exemplified. - The
outer arm 32 of thecorrection member 30 attached to theupper body 11 extends below a portion of theupper body 11 corresponding to the lateral malleolus of the wearer. On the other hand, theinner arm 31 of thecorrection member 30 attached to theupper body 11 passes below a portion of theupper body 11 corresponding to the medial malleolus of the wearer and extends further forward and upward. For a man having a standard body shape, the medial malleolus is located 10 mm anterior and 14 mm superior to the lateral malleolus. On the other hand, for a woman having a standard body shape, the medial malleolus is located 8 mm anterior and 12 mm superior to the lateral malleolus. Thus, the end of theinner arm 31 may be at a forward and upward position of 3 mm or more with respect to the end of theouter arm 32. - The
correction member 30 attached to theupper body 11 corrects the dimension of theopening 11B in the foot width direction to be equal to or smaller than the foot width dimension when thecorrection member 30 is not attached. That is, the opening width of theopening 11B in the foot width direction may be narrowed by thecorrection member 30 as compared with the case where thecorrection member 30 is not attached. In addition, the opening width of theopening 11B in the foot width direction may be the same by thecorrection member 30 as the width when thecorrection member 30 is not attached. - In addition, as illustrated in
FIG. 2 , in thecorrection member 30,cushion materials 40 are installed at a portion of theinner arm 31 disposed below the medial malleolus of the wearer at least facing theouter arm 32 and at a portion of the end of theouter arm 32 at least facing theinner arm 31. Examples of the material of thecushion materials 40 include an expanded foam material and soft resin. However, the material of thecushion materials 40 is not limited to those exemplified. Thecushion materials 40 disperse a force that theinner arm 31 and theouter arm 32 squash theopening 11B in the foot width direction, and transmit the dispersed force to the foot of the wearer. That is, the area where the force generated by theinner arm 31 and theouter arm 32 is applied to the foot of the wearer is spread by installing thecushion materials 40, and the pressure applied to the foot of the wearer is reduced. - In the
shoe 1A according to the first embodiment, thecorrection member 30 prevents theopening 11B from widening in the foot width direction when the foot of the wearer plantarflexes. Thus, a gap between the opening 11B and the foot of the wearer in the foot width direction is hardly generated when the foot of the wearer plantarflexes. -
FIG. 3 is a diagram illustrating a change in the position of a foot in a vertical direction in a stance phase of a wearer of the shoe according to the first embodiment. The horizontal axis inFIG. 3 represents the degree of progression in the stance phase: the time at which the heel is on the ground is 0%, and the time at which the toe of the foot kicking backward is off the ground is 100%. The vertical axis inFIG. 3 represents the amount of the change using the position of the foot and theshoe 1A when the wearer stands and remains stationary as a reference: a state in which the foot of the wearer sinks into theshoe 1A is negative, and a state in which the foot of the wearer rises from theshoe 1A is positive. After the heel strike, as the foot of the wearer sinks into theshoe 1A, the position of the foot of the wearer changes in the negative direction, and as the foot of the wearer plantarflexes through the neutral state, the position of the foot of the wearer changes in the positive direction. -
FIG. 4 is a diagram illustrating a maximum amount of the change in the position of the foot in the stance phase of the wearer of the shoe according to the first embodiment.FIG. 4 also illustrates, for comparison, a maximum amount of a change in the position of the foot in the stance phase of the wearer when a shoe not including thecorrection member 30 is worn. When a shoe not including thecorrection member 30 is worn, the maximum value of the amount of the change in the position of the foot of the wearer is plus 1.05 mm, whereas when theshoe 1A including thecorrection member 30 having a thickness of 2 mm is worn, the maximum value of the amount of the change in the position of the foot of the wearer is plus 0.65 mm. When theshoe 1A including thecorrection member 30 having a thickness of 4 mm is worn, the maximum value of the amount of the change in the position of the foot of the wearer is minus 0.18 mm. The maximum value of the amount of the change in the position of the foot of the wearer being a negative value means that the magnitude of the sinking of the foot of the wearer into theshoe 1A after the heel is on the ground is larger than the magnitude of the rising of the foot from theshoe 1A during the plantarflexion. As described above, when the thickness of thecorrection member 30 increases, the effect of reducing the change in the position of the foot of the wearer increases. - As compared with a shoe not including the
correction member 30, theshoe 1A according to the first embodiment reduces the amount of the change in the position of the foot of the wearer and has a high fitting property to the foot of the wearer. - Since the
correction member 30 is installed at a distance from the sole 20A in the height direction, the pronation of the foot of the wearer is not hindered at the time of the heel on the ground. Thus, the wearer is less likely to feel uncomfortable at the time of the heel on the ground during running. - When the wearer puts on and takes off the
shoe 1A, the foot of the wearer pushes and widens thecorrection member 30, and theopening 11B is also widened in the foot width direction, and a special action is unnecessary when putting on and taking off theshoe 1A. - In the
shoe 1A according to the first embodiment, since the attachment position of thecorrection member 30 can be visually checked, the positioning of thecorrection member 30 is easy. That is, thecorrection member 30 of theshoe 1A according to the first embodiment is easily attached to an appropriate position. - Furthermore, in the
shoe 1A according to the first embodiment, since thecorrection member 30 is disposed on the outer side of theupper body 11, it is possible to be easily visually checked whether thecorrection member 30 is installed. Thus, it is easy to prevent the occurrence of a defect such as forgetting to attach thecorrection member 30 when theshoe 1A is manufactured. In addition, since thecorrection member 30 is visible, its appearance is differentiated from a shoe not including thecorrection member 30, and it is thus possible for a person who intends to purchase theshoe 1A including thecorrection member 30 to easily select theshoe 1A from a plurality of shoes. -
FIG. 5 is a diagram illustrating a first modification of the correction member of the shoe according to the first embodiment. Acorrection member 30A according to the first modification is attached to theupper body 11 instead of thecorrection member 30 to constitute theshoe 1A. In thecorrection member 30A according to the first modification, ahole 31A through which theshoelace 16 passes is formed at the end of theinner arm 31. Note that thecushion materials 40 are not illustrated inFIG. 5 . Thecorrection member 30A according to the first modification is attached to theupper body 11 in such a manner that thehole 31A overlaps therearmost hole 13 of the plurality ofholes 13 on the medial foot side. - In the
correction member 30A according to the first modification, the end of theinner arm 31 is biased to the center in the foot width direction by tightening theshoelace 16. By biasing the end of theinner arm 31 to the center in the foot width direction, the entireinner arm 31 is biased to the center in the foot width direction. Thus, in theshoe 1A using thecorrection member 30A, a force to squash theopening 11B in the foot width direction is generated by tightening theshoelace 16. By using thecorrection member 30A according to the first modification for theshoe 1A, it is possible to further enhance the fitting property to the foot of the wearer. -
FIG. 6 is a diagram illustrating a second modification of the correction member of the shoe according to the first embodiment. Acorrection member 30B according to the second modification is attached to theupper body 11 instead of thecorrection member 30 to constitute theshoe 1A. Thecorrection member 30B according to the second modification has a rod shape over the entireinner arm 31, theouter arm 32, and theconnection portion 33. Thecushion materials 40 each have a tubular shape, and theinner arm 31 and theouter arm 32 penetrate thecushion materials 40. In thecorrection member 30B according to the second modification, since theinner arm 31 and theouter arm 32 penetrate thecushion materials 40, thecushion materials 40 do not easily fall off from theinner arm 31 and theouter arm 32. Thus, theshoe 1A using thecorrection member 30B according to the second modification is enhanced in durability as compared with theshoe 1A using thecorrection member 30. - In a shoe not including the
correction member 30, since only the portion corresponding to the instep of the foot of the wearer is tightened by a tightening member such as a shoelace or a hook-and-loop fastener, tightening at the sides of the ankle of the wearer is likely to be insufficient, and a gap between the opening and the foot of the wearer in the foot width direction is easily generated. On the other hand, in theshoe 1A according to the first embodiment, since theopening 11B is tightened from the sides of the ankle of the wearer by thecorrection member shoe 1A according to the first embodiment has a high effect of preventing the foot from being displaced inside theshoe 1A and getting a shoe sore and preventing the fitting property to the foot of the wearer from being lowered as compared with a shoe not including thecorrection member 30. -
FIG. 7 is a side view of a shoe according to a second embodiment of the invention. Ashoe 1B according to the second embodiment is different from theshoe 1A according to the first embodiment in that acorrection member 30 is incorporated in anupper body 11. The description common to theshoe 1A according to the first embodiment will be omitted. -
FIG. 8 is a top view of the shoe according to the second embodiment.FIG. 9 is a cross-sectional view of an opening of the shoe according to the second embodiment. The cross section illustrated inFIG. 9 illustrates a cross section of theshoe 1B taken along the line IX-IX inFIG. 8 . In thecorrection member 30 used for theshoe 1B according to the second embodiment, all of aninner arm 31, anouter arm 32, and aconnection portion 33 are inserted between anouter material 111 and a lining 112 of theupper body 11. Thecorrection member 30 is bonded and fixed to theouter material 111 and the lining 112.Cushion materials 40 are disposed between theinner arm 31 and the lining 112 and between theouter arm 32 and the lining 112. Thecushion materials 40 are bonded and fixed to the lining 112. - In the
shoe 1B according to the second embodiment, since thecorrection member 30 is installed inside theupper body 11, thecorrection member 30 does not easily fall off while theshoe 1B is worn. In addition, since thecorrection member 30 is bonded to both theouter material 111 and the lining 112 of theupper body 11, the correction member can be more firmly fixed as compared with the case of being attached to the outside of theupper body 11. Thus, theshoe 1B according to the second embodiment has higher durability than that of theshoe 1A according to the first embodiment. In theshoe 1B according to the second embodiment, since thecorrection member 30 is covered with theouter material 111 of theupper body 11, there are few restrictions on the design of theshoe 1B. For example, in theshoe 1B according to the second embodiment, decorative parts can be installed on the surface of theouter material 111 of the portion where thecorrection member 30 is disposed to enhance the aesthetic appearance. -
FIG. 10 is a side view of a shoe according to a third embodiment of the invention. Ashoe 1C according to the third embodiment is different from theshoe 1A according to the first embodiment in that only aconnection portion 33 of acorrection member 30 is disposed outside anupper body 11 and that aninner arm 31 and anouter arm 32 are disposed inside theupper body 11. The description common to theshoe 1A according to the first embodiment will be omitted. - In the
upper body 11,holes 111A are formed in an oblique rear-side portion of anouter material 111 of the heel, and theinner arm 31 and theouter arm 32 are inserted into theupper body 11 through theholes 111A. The cross section of theshoe 1C at the portion where theinner arm 31 and theouter arm 32 are disposed is similar to the cross section of theshoe 1B according to the second embodiment illustrated inFIG. 9 . That is, theinner arm 31 and theouter arm 32 are disposed between theouter material 111 and a lining 112. - In the
shoe 1C according to the third embodiment, since theconnection portion 33 of thecorrection member 30 is exposed to the outer side of theupper body 11, it is possible to be easily visually checked whether thecorrection member 30 is installed. Thus, it is easy to prevent the occurrence of a defect such as forgetting to attach thecorrection member 30 when theshoe 1C is manufactured. In addition, since theconnection portion 33 of thecorrection member 30 is visible, its appearance is differentiated from a shoe not including thecorrection member 30, and it is thus possible for a person who intends to purchase theshoe 1C including thecorrection member 30 to easily select theshoe 1C from a plurality of shoes. -
FIG. 11 is a side view of a shoe according to a fourth embodiment of the invention. Ashoe 1D according to the fourth embodiment is different from theshoe 1C according to the third embodiment in that retainingportions 34 are formed at the ends of aninner arm 31 and anouter arm 32. The description common to theshoe 1C according to the third embodiment will be omitted. By forming the retainingportions 34 larger thanholes 111A of anouter material 111, theinner arm 31 and theouter arm 32 cannot be pulled out unless theholes 111A of theouter material 111 are expanded to pass the retainingportions 34 therethrough, and acorrection member 30 does not easily fall off from anupper body 11. -
FIG. 12 is a side view of a shoe according to a fifth embodiment of the invention. Ashoe 1E according to the fifth embodiment is different from theshoe 1A according to the first embodiment in that the ends of aninner arm 31 and anouter arm 32 are positioned lower than aconnection portion 33. The description common to theshoe 1A according to the first embodiment will be omitted. In theshoe 1E according to the fifth embodiment, theinner arm 31 and theouter arm 32 are installed at positions separated downward from anopening 11B. Thus, even if acorrection member 30 is attached to anupper body 11, the opening width of theopening 11B in the foot width direction hardly changes as compared with the case where thecorrection member 30 is not attached. - When it is desired to strongly hold a foot of a wearer from the foot width direction with the
inner arm 31 and theouter arm 32 of thecorrection member 30, the opening width of theopening 11B in the foot width direction can be too narrow if thecorrection member 30 is installed close to theopening 11B. In theshoe 1E according to the fifth embodiment, the ends of theinner arm 31 and theouter arm 32 are positioned lower than theconnection portion 33, and theinner arm 31 and theouter arm 32 are installed at positions separated downward from theopening 11B. Thus, the wearer easily inserts the foot into theopening 11B even if thecorrection member 30 having a strong elastic force is installed. - The configurations described in the above embodiments merely show examples of the invention and can be combined with another known technique, and a part of each configuration can be omitted or changed without departing from the gist of the invention.
- The shoe according to the invention has an effect that a gap between an opening and a foot of a wearer in a foot width direction is hardly generated when the foot of the wearer plantarflexes.
Claims (10)
Applications Claiming Priority (2)
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JP2020-214318 | 2020-12-23 | ||
JP2020214318A JP2022100135A (en) | 2020-12-23 | 2020-12-23 | Shoe |
Publications (2)
Publication Number | Publication Date |
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US20220192321A1 true US20220192321A1 (en) | 2022-06-23 |
US11889898B2 US11889898B2 (en) | 2024-02-06 |
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Family Applications (1)
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US17/555,512 Active 2042-02-16 US11889898B2 (en) | 2020-12-23 | 2021-12-20 | Shoe including correction member attached to upper |
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US (1) | US11889898B2 (en) |
EP (1) | EP4018868A1 (en) |
JP (1) | JP2022100135A (en) |
CN (1) | CN114732188A (en) |
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US5755044A (en) | 1996-01-04 | 1998-05-26 | Veylupek; Robert J. | Shoe lacing system |
KR100669125B1 (en) * | 2006-08-09 | 2007-01-16 | 안광우 | The functional shoes in which the stimulant for the extension growth acceleration is equipped |
JP5157019B2 (en) * | 2008-09-30 | 2013-03-06 | 株式会社アシックス | Athletic shoes with a heel counter that retains the heel |
KR101378636B1 (en) * | 2013-10-15 | 2014-03-27 | 이계영 | A shoea with pads |
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2020
- 2020-12-23 JP JP2020214318A patent/JP2022100135A/en active Pending
-
2021
- 2021-12-13 CN CN202111514679.2A patent/CN114732188A/en active Pending
- 2021-12-20 EP EP21215905.7A patent/EP4018868A1/en active Pending
- 2021-12-20 US US17/555,512 patent/US11889898B2/en active Active
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US4451996A (en) * | 1982-03-22 | 1984-06-05 | New Balance Athletic Shoe, Inc. | Athletic shoe with collar |
US4451996B1 (en) * | 1982-03-22 | 1987-08-04 | ||
US4856209A (en) * | 1987-09-08 | 1989-08-15 | Red Wing Shoe Company, Inc. | Walking shoe with padded collar |
US5946825A (en) * | 1997-01-31 | 1999-09-07 | Nine West Group, Inc. | Footwear having slow recovery liner |
US6298582B1 (en) * | 1998-01-30 | 2001-10-09 | Nike, Inc. | Article of footwear with heel clip |
US20040111923A1 (en) * | 2000-08-04 | 2004-06-17 | Brooks Jeffrey S. | Footwear |
US20060145434A1 (en) * | 2002-08-27 | 2006-07-06 | Crowder Troy S | Adjustable hockey skate blade system |
US20140259781A1 (en) * | 2013-03-15 | 2014-09-18 | Deckers Outdoor Corporation | Footwear including resilient support members |
US20160007687A1 (en) * | 2014-07-09 | 2016-01-14 | Adidas Ag | Shoe with a heel cap and/or ankle collar |
US20160095383A1 (en) * | 2014-10-02 | 2016-04-07 | Adidas Ag | Shoe |
US10182620B2 (en) * | 2015-10-16 | 2019-01-22 | Nike, Inc. | Footwear ankle collar trim transition |
US20200163790A1 (en) * | 2016-12-02 | 2020-05-28 | Doak Ostergard | Ankle brace |
US20200068996A1 (en) * | 2018-09-03 | 2020-03-05 | Maya Halahmi | Laced shoe |
US20200359745A1 (en) * | 2019-05-16 | 2020-11-19 | Under Armour, Inc. | Heel Counter |
Also Published As
Publication number | Publication date |
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CN114732188A (en) | 2022-07-12 |
US11889898B2 (en) | 2024-02-06 |
JP2022100135A (en) | 2022-07-05 |
EP4018868A1 (en) | 2022-06-29 |
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